diff --git a/.idea/AlgoDatSoSe25.iml b/.idea/AlgoDatSoSe25.iml
index bf024fa..982282a 100644
--- a/.idea/AlgoDatSoSe25.iml
+++ b/.idea/AlgoDatSoSe25.iml
@@ -5,7 +5,7 @@
       <excludeFolder url="file://$MODULE_DIR$/.venv" />
       <excludeFolder url="file://$MODULE_DIR$/venv" />
     </content>
-    <orderEntry type="jdk" jdkName="Python 3.12 (AlgoDatSoSe25)" jdkType="Python SDK" />
+    <orderEntry type="jdk" jdkName="Python 3.12 (SoSe25)" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>
\ No newline at end of file
diff --git a/praktika/01_max_folge/algorithms.py b/praktika/01_max_folge/algorithms.py
index 5bb3c9d..f5f3ab9 100644
--- a/praktika/01_max_folge/algorithms.py
+++ b/praktika/01_max_folge/algorithms.py
@@ -42,12 +42,12 @@ def max_sequence_3(z: MemoryArray, l = None, r = None):
     if l is None:
         l = Literal(0)
     if r is None:
-        r = Literal(len(z)-1)
+        r = z.length().pred()
     if l == r:
         return z[l], l, r
     m = Literal((int(l) + int(r)) // 2)
     lm, ll, lr = max_sequence_3(z, l, m)
-    rm, rl, rr = max_sequence_3(z, Literal(int(m) + 1), r)
+    rm, rl, rr = max_sequence_3(z, m.succ(), r)
     zm, zl, zr = find_between(z, l, m, r)
     if lm >= rm and lm >= zm:
         return lm, ll, lr
@@ -59,7 +59,7 @@ def find_between(z: MemoryArray, l, m, r):
     max_sum = MemoryCell(MIN_VALUE)
     s = MemoryCell(0)
     border = MemoryCell()
-    for i in mrange(m, int(l)-1, -1):
+    for i in mrange(m, l.pred(), -1):
         s += z[i]
         if s > max_sum:
             max_sum.set(s)
@@ -68,7 +68,7 @@ def find_between(z: MemoryArray, l, m, r):
     left_border = Literal(border)
     max_sum = MemoryCell(MIN_VALUE)
     s.set(0)
-    for i in mrange(int(m) + 1, int(r)+1):
+    for i in mrange(m.succ(), r.succ()):
         s += z[i]
         if s > max_sum:
             max_sum.set(s)
@@ -91,7 +91,7 @@ def max_sequence_4(z: MemoryArray):
             r.set(i)
         if curr_sum < Literal(0):
             curr_sum.set(0)
-            curr_left.set(int(i) + 1)
+            curr_left.set(i.succ())
     return max_sum, l, r
 
 def example(max_sequence_func):